package com.nami.web.utils;

import java.util.Random;

public class RandomUtils {

    public static String randomMobile() {
        Random random = new Random();
        StringBuilder sb = new StringBuilder("1");
        sb.append(random.nextInt(5) + 3);
        for (int i = 0; i < 9; i++) {
            sb.append(random.nextInt(10));
        }
        return sb.toString();

    }

}
